655503243 has 8 divisors (see below), whose sum is σ = 912004608. Its totient is φ = 418002024.

The previous prime is 655503241. The next prime is 655503253. The reversal of 655503243 is 342305556.

655503243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655503243 - 2¹ = 655503241 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (655503241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749955 + ... + 4750092.

It is an arithmetic number, because the mean of its divisors is an integer number (114000576).

Almost surely, 2^655503243 is an apocalyptic number.

655503243 is a deficient number, since it is larger than the sum of its proper divisors (256501365).

655503243 is a wasteful number, since it uses less digits than its factorization.

655503243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500073.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 655503243 is about 25602.7975619853. The cubic root of 655503243 is about 868.6769174207.

Adding to 655503243 its reverse (342305556), we get a palindrome (997808799).

The spelling of 655503243 in words is "six hundred fifty-five million, five hundred three thousand, two hundred forty-three".